Harris, Janet D.2016-04-152016-04-1519461946b14686715(OCoLC)07827510(OCoLC)ocm07827510https://hdl.handle.net/2144/15901Thesis (M.A.)--Boston University, 1946. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsSelf-teaching helps for providing for individual needs in reading in the classroomThesis/Dissertation